package com.example.testi18n.inceptor;

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.servlet.LocaleResolver;
import org.springframework.web.servlet.config.annotation.InterceptorRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
import org.springframework.web.servlet.i18n.LocaleChangeInterceptor;
import org.springframework.web.servlet.i18n.SessionLocaleResolver;

import java.util.Locale;

/**
 * 配置国际化语言
 */
@Configuration
public class LocaleConfig {

	@Bean
	public WebMvcConfigurer webMvcConfigurer() {
		return new WebMvcConfigurer() {
			@Override
			public void addInterceptors(InterceptorRegistry registry) {
				// 注册语言切换拦截器
				LocaleChangeInterceptor localeInterceptor = new LocaleInterceptor();
				localeInterceptor.setParamName("locale");
				registry.addInterceptor(localeInterceptor);
			}
		};
	}

	@Bean
	public LocaleResolver localeResolver() {
		SessionLocaleResolver localeResolver = new SessionLocaleResolver();
		localeResolver.setDefaultLocale(Locale.SIMPLIFIED_CHINESE);
		return localeResolver;
	}


}